Speed Pro Economy Piston Rings 4.290" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron BNC-ADPT-ICOM 5" wide nylon straps with

5" wide nylon straps with loops at the top

8 in / GM 10-Bolt

Lower RH door exit

4 bolt standard Ford pulley bolt pattern

NPT/Pipe thread fittings require the use of Teflon tape or paste on threads to ensure proper seal

Speed Pro Economy Piston Rings 4.290" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron BNC-ADPT-ICOM 5" wide nylon straps withProduct Description: Piston Rings Economy 4. 290 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Phosphate 8 Cylinder From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies, from cutting edge Digital Diamond Profiled pistons to A Series bearings. They are engine components performance enthusiasts and racers